CN106487163B - With the rotor of the sensing wheel of fixation by holding board - Google Patents
With the rotor of the sensing wheel of fixation by holding board Download PDFInfo
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- CN106487163B CN106487163B CN201610670010.5A CN201610670010A CN106487163B CN 106487163 B CN106487163 B CN 106487163B CN 201610670010 A CN201610670010 A CN 201610670010A CN 106487163 B CN106487163 B CN 106487163B
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- rotor
- holding board
- armature spindle
- sensing
- designed
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
Abstract
The present invention relates to a kind of rotors for electric appliance, the rotor has the sensing wheel for being integrated with sensing profile being fixed on its armature spindle, in order to be further improved the rotor, so that even if can be still arranged in very narrow structure space, wherein, it can also guarantee highly precisely to measure position of the rotor relative to stator, provide herein, sensing wheel is fixed by the holding board with armature spindle locking and preload.
Description
Technical field
The present invention relates to a kind of rotors for electric appliance, wherein rotor, which has to be fixed on armature spindle, is integrated with sensing
The sensing wheel of profile, be integrated with sensing profile sensing wheel be used for by with sensing profile effect connection sensor determine described in
Position of the rotor relative to the stator of electric appliance.
The invention further relates to a kind of electric appliances, with rotor and the sensing wheel being fixed on the armature spindle of rotor.
Background technique
The service requirement of electric appliance accurately determines position of the rotor relative to stator.For this purpose, well known in the art turn
Sub- position system, the rotor-position system have the sensor and movable inductor of static arrangement.Rotor-position system
Selection determines the performance of signal transducer.In vortex (inductance sensor) Measurement principle, conductive sensor is needed.Sensing
The electric conductivity of the material of wheel is higher, then can be more accurate to the analysis of rotor-position.
Well known in the art, the sensing wheel that will be integrated with sensing profile is provided as inductor, and sensing wheel with
Rotor field spider is connected.In order to realize measuring accuracy as high as possible, it is important that pass through the company of sensing wheel and rotor field spider
It connects, even if the deformation for thering is temperature action also not occur sensing wheel, because this has decisive impact signal quality.For this
Reason is not suitable for using welding and crimping.In addition, connecting necessary speed stability with higher, it is up to every point in principle
8000 turns of clock.
A kind of electric appliance is described in 158 0 869 B1 of EP, there is the toroidal magnet being torsionally arranged on rotor, it should
Toroidal magnet has inner surface, the external diameter surface frictional connection of the inner surface and wavy component, which is designed as rotor
Axis or the receiving sleeve being torsionally arranged on armature spindle.
060 1 228 B1 of EP is related to a kind of motor driver, has on its armature spindle to the magnet of middle holding.It should
Magnet is open by corresponding armature spindle centrally but without compression in order to which radial position is fixed or without tensile stress sleeve exists
On armature spindle.
WO 95/04398 is related to a kind of motor driver, and there is the pole as magnet being fixed on armature spindle to take turns, use
In the signal directly proportional to revolving speed of generation in the Hall sensor device in stator side.In order to install magnet and pressure piece rule
Fixed, magnet is only plugged on armature spindle with being slidably matched, and pressure piece is to be fitted close or press-fit manner is pressed to and turns
On sub- axis.
Summary of the invention
The technical problem to be solved by the present invention is to the rotors with the sensing wheel being fixed on armature spindle for electric appliance
It is so further improved, so that even if still can highly precisely determine the rotor phase of electric appliance in very narrow structure space
For the position of stator.
The technical problem is solved according to the present invention by a kind of rotor for electric appliance, is suggested herein, rotor has solid
The sensing wheel for being integrated with sensing profile being scheduled on armature spindle, sensing profile are used for by the sensing with sensing profile effect connection
Device determines position of the rotor relative to the stator of electric appliance.
According to the present invention, sensing wheel is fixed by the holding board with armature spindle locking and preload.
Sensing profile can be made of protrusion, recess and/or recess and be integrated in sensing wheel.Sensing wheel is designed as solely
Vertical component and by holding board fixed rotor axis.Sensor is a part of the rotor-position system of electric appliance and opposite
It statically arranges in rotor and is not therefore arranged movably relative to rotor.The effect of the sensing profile of sensor and sensing wheel connects
It connects.
Sensor and sensing profile act on connection each other.It is not understood to directly be mechanically connected with regard to this.But sensor
It is arranged at intervals at intervals and with rotor or armature spindle and sensing wheel with sensing profile.
Such as inductance sensor can be equipped with.Sensing wheel is made of the preferable material of electric conductivity.Sensor or sensor
Interior coil can apply with high-frequency current, thus generate high frequency magnetic field in environment in its vicinity, wherein by sensing wheel
It senses profile and generates vortex.Vortex itself generates the magnetic field for being in reverse to the magnetic field of sensor or cell winding again.According to sensing
Spacing between device and sensing profile, the size of opposing magnetic field are different.It is possible thereby to determine sensor and sensing profile it
Between distance.According to the distance between the sensor and sensing profile measured, accurate position of the rotor relative to stator can be determined
It sets.
According to the present invention, sensing wheel is so fixed on armature spindle by holding board, so that sensing wheel and armature spindle rigidity
Ground connection and movement or rotation together with armature spindle.According to the present invention, holding board is locked and is pre-tightened with armature spindle.Holding board
Locking with armature spindle is used for fixation or positioning of the sensing wheel on armature spindle.By the preload of holding board, rotor can be compensated
The different thermal expansions of axis and sensing wheel.But meanwhile holding board also meets the locking function on armature spindle.Holding board as a result,
Meet two functions, i.e. preload function and lock function, and thus two functions are unified on only one component.Thus
Weight, structure space can especially be saved and reduce additional component.It is possible thereby to realize in extremely narrow structure space
The connection of shape engagement type.
Preferably, the holding board is designed as self-locking.With regard to this it should be understood that not needing other fixing piece, protecting
Dangerous part and/or clamping element.Holding board itself has the device for locking and clamping or pre-tighten.
For fixed and preload holding board, it is preferably not provided with independent component, typically without bolt or locking nut.Thus
It advantageously provides for, sensing wheel is only fixed on armature spindle only by holding board.Alternatively, holding board and/or sensing wheel can be with
It is for example fixed by pin or slot in circumferential direction or tangential side.
Holding board is designed to so that the holding board circumferentially press to sensing wheel and in order to pre-tighten be not necessarily to individual component,
Such as locking nut, it is possible thereby to realize circumferential and substantially homogeneous pressing force.Thus it is further reduced the deformation of sensing wheel.
It preferably provides, armature spindle and sensing wheel have different materials or be made of different materials.Armature spindle
Such as be made of steel, sensing wheel is made of the extraordinary material of electric conductivity, such as copper or aluminium.It can be to not due to having carried out preload
Same coefficient of thermal expansion compensates.It thus can also be to avoid the distortion of sensing wheel even if under temperature action, wherein provide simultaneously
Sensing wheel with high conductivity material.This improves the accuracy that rotor is determined relative to the position of stator.
Holding board be preferably designed for annular and around armature spindle arrange.Holding board can for example push to armature spindle.This
It is preferably provided that, holding board at least local support is on the outer peripheral surface of armature spindle, that is, the outer surface being made of peripheral side outside.
Sensing wheel and holding board are preferably arranged for, so that sensing wheel presses to or be pressed to radially projecting rotor by holding board
In the protrusion of axis surrounded.The protrusion surrounded is a part of armature spindle.It is surrounding it will be appreciated that it is raised surround armature spindle cloth
It sets.Here, protrusion can be continual throughout the circumferential or be designed as local interruption in whole circumference.It is especially excellent
Choosing, convex design is disc.
Further preferably provide, holding board have first around section and with first around section arrange at an angle second
Around section.First is preferably greater than 90 degree around section and the second angle between section in the state that holding board does not pre-tighten.Example
Such as the angle can be 180 °, wherein two sections are connected with each other.In addition, holding board can be by its first circular section at least
Local support is on the outer peripheral surface of armature spindle.Holding board for example presses to sensing wheel around section by second or sensing wheel presses to
The protrusion surrounded.Two of holding board are designed as plate shape around section.Two angles between section are not in the pre- of holding board
It is greater than 90 ° in the state of tight, thus holding board has spring.When holding board presses to sensing wheel, second is easy around section
Ground is squeezed towards first around the direction of section, and two angles between section become smaller.After pressing or pre-tightening shape
Under state, two sections are particularly preferably arranged each other with the angle greater than 90 °.
Holding board can have all around and the retainer arranged un-interrupted, for holding board and the armature spindle
Locking.Alternatively, holding board can have retainer that is multiple circumferentially distributed and being spaced apart from each other arrangement, for holding board with
The locking of armature spindle.Holding board particularly preferably has at least three, especially particularly preferably has at least four or at least
Five retainers that are circumferentially distributed and being spaced apart from each other arrangement.It preferably provides, one or more retainers are in holding board
First for example form in the section, be punched or notch.
At least one receiving member corresponding with one or more retainers is preferably arranged on armature spindle, for accommodating one
A or multiple retainers.At least one receiving member can have various suitable design schemes and shape.Receiving member for example can be with
It is designed as recess or protrusion.At least one receiving member is preferably placed on the peripheral side or outer peripheral surface of armature spindle.It is also possible to more
Receiving member that is a circumferentially distributed and being spaced apart from each other arrangement is arranged on the outer peripheral surface of armature spindle.Alternatively, or multiple
The receiving member uniquely arranged in whole circumference is arranged in retainer.
At least one retainer is preferably designed for punching mouth, recess or recess in holding board.Herein it is also preferred that
At least one receiving member is designed as the protrusion of radially projecting armature spindle.It is particularly preferred that all retainers are both designed as
Punching mouth, recess or recess in holding board, and all receiving members are both designed as the protrusion of radially projecting armature spindle.Stop
Part for example can be designed as L-shaped recess or recess, and receiving member can be designed as the protrusion of lesser pin shape.?
This, holding board can be locked by pressing and subsequent rotation and armature spindle.Alternatively, retainer can be designed as being punched
Mouthful, and receiving member is designed as lesser protrusion.In this design, holding board can be locked by pressing and armature spindle
Only.
Additionally it is preferably provided that, at least one retainer is designed as the flexible plate portion section of holding board, and
At least one receiving member is designed as being arranged in the recess in armature spindle.Flexible plate portion section can for example be designed to contact pin shape
Shape is designed as detent rail.This contact pin or detent rail can be surround in section in the second of holding board to be cut off.If
The receiving member for being calculated as recess is preferably placed on the peripheral side or outer peripheral surface of armature spindle.It is particularly preferred that recess is circumferentially, extremely
Few part is circumferentially for example designed as slot.
According to the invention further relates to a kind of electric appliance, the rotor that can be moved with stator, relative to stator and for determining
Rotor-position system of the rotor relative to the position of the stator.Rotor is according to previous designs.
Detailed description of the invention
The present invention is illustratively illustrated below in conjunction with preferred embodiment.It is shown in the accompanying drawings:
Fig. 1 is the rotor with armature spindle, sensing wheel and holding board；
Fig. 2 a and b are the rotors with sensing wheel and holding board；
Fig. 3 is the rotor with sensing wheel and holding board；
Fig. 4 a and b are the other rotors with sensing wheel and holding board；
Fig. 5 a and b are the other rotors with sensing wheel and holding board；With
Fig. 6 is the electric appliance with the sensing wheel being arranged on the armature spindle of rotor.
Specific embodiment
Fig. 1 is exemplarily illustrated the explosive view of rotor 100.The front side end of armature spindle 10 is shown here.With sensing wheel
The sensing wheel 11 of exterior feature 12 is fixed on armature spindle 10 by holding board 14, which is made of through-hole.Here, sensing wheel
11 press to the radially projecting protrusion 15 surrounded of armature spindle 10 by holding board 14.Holding board 14 is designed as elasticity thus,
Thus holding board is pre-tightened when pressing towards sensing wheel 11.In order to position, holding board 14 has retainer 20, and the retainer is embedding
Enter in the receiving member 21 for being designed as slot of armature spindle.
The different design schemes of holding board 14 are shown in Fig. 2 to 5, especially the retainer 20 of holding board 14 is different
Design scheme, and the different design schemes of receiving member 21 being arranged on armature spindle 10.
The local screenshot of rotor 100 is shown in Fig. 2 a and 2b, wherein holding board 14 has multiple circumferentially distributed ground and phase
The retainer 20 of mutual compartment of terrain arrangement, the retainer 20 are designed as flexible plate portion section, that is, tongue piece or detent rail.?
After holding board 14 is pressed to sensing wheel 11, holding board 14 is pre-tightened, and the insertion of retainer 20 is arranged on armature spindle 10
Receiving member 21.Receiving member 21 is designed as circular slot in the embodiment shown in Fig. 2 a and 2b.
In Fig. 3, the retainer 20 of holding board as substantially L-shaped recess and first surrounding of being arranged in holding board 14
In section 16.Holding board 14 is moved on armature spindle 10 in the first step and is pressed towards sensing wheel 11, wherein in armature spindle 10
Outer peripheral surface 19 on be designed as small protrusion receiving member 21 be embedded in holding board 14 retainer 20 in.Here, holding board 14 is pre-
Tightly.In the second step, holding board 14 is located on armature spindle 10 by the rotation of holding board 14.
In all Fig. 1 to 5, holding board 14 designs circularizing and on pushing sleeve to armature spindle 10 and presses to sensing
It takes turns 11 and pre-tightens herein.The holding board 14 of annular design all has two around sections 16,17 in each example, i.e., and first
Around section 16 and second around section 17.Retainer 20 is disposed in or on section 16 first.By first around section 16, Gu
Plate 14 is held to be supported on the outer peripheral surface 19 of armature spindle 10.By second around section 17, holding board 14 press to sensing wheel 11 and by
This sensing wheel 11 presses to the protrusion 15 around arrangement of radially projecting armature spindle 10.Two of holding board 14 around section 16,17 that
This at an angle 18, which is greater than 90 ° in holding board 14 in the state of preload.Holding board 14 is being pressed into sensing wheel
When 11, second easily squeezes around the direction of section 16 along first around section 17 and herein reduces angle 18.Here, pre-tightening
Holding board 14.Angle 18 is only shown in the embodiment shown in fig. 3 for the reason of better general view.
One embodiment is shown in figs 4 a and 4b, wherein retainer 20 is designed as the of holding board 14 or holding board 14
One recess in section 16.The small convex form of radially projecting armature spindle 10 is configured on the outer peripheral surface 19 of armature spindle 10
Receiving member 21.
One embodiment is shown in figs. 5 a and 5 b, wherein holding board 14 only has only one retainer 20, that is, surround
Flexible contact pin.Here, the first of holding board 14 is designed as retainer 20 around section 16.Receiving member 21 is designed as armature spindle
On 10 outer peripheral surface 19 all around slot.
Fig. 6 shows the electric appliance 200 with rotor 100.For the reason of the better general view, the stator of electric appliance 200 is not shown.
The armature spindle 10 of rotor 100 can be rotated around rotation axis and be supported in shell 22 by bearing arrangement 23.Just first
In the region of face end, armature spindle 10 has the protrusion 15 around arrangement of radially projecting armature spindle.It is locked by with armature spindle
And the holding board 14 pre-tightened, sensing wheel 11 press to the protrusion 15 of armature spindle 10 surrounded and are thereby secured on armature spindle.It passes
The sensing profile 12 that there is sense wheel 11 13 effect of sensor with static arrangement to connect.Thus, it is possible at any time and accurately
Ground determines position of the rotor 100 of electric appliance 200 relative to stator.
Reference signs list
100 rotors
200 electric appliances
10 armature spindles
11 sensing wheels
12 sensing profiles
13 sensors
14 holding boards
15 protrusions surrounded
16 first around section
17 second around section
18 angles
The outer peripheral surface of 19 armature spindles
20 retainers
21 receiving members
22 shells
23 bearings
Claims (13)
1. the rotor (100) that one kind is used for electric appliance (200), wherein the rotor (100), which has, to be fixed on armature spindle (10)
It is integrated with the sensing wheel (11) of sensing profile (12), the sensing profile (12) is used to act on by with the sensing profile (12)
The sensor (13) of connection determines position of the rotor (100) relative to the stator of electric appliance (200), which is characterized in that described
Sensing wheel (11) is fixed by the holding board (14) with the armature spindle (10) locking and preload.
2. rotor (100) described in accordance with the claim 1, which is characterized in that the holding board (14) is designed as self-locking.
3. rotor (100) according to claim 1 or 2, which is characterized in that in order to fix and pre-tighten the holding board (14)
It is not provided with independent fastening member.
4. rotor (100) according to claim 1 or 2, which is characterized in that in order to fix and pre-tighten the holding board (14)
It is not provided with bolt or locking nut.
5. rotor (100) according to claim 1 or 2, which is characterized in that the armature spindle (10) and the sensing wheel
(11) there is different materials or be made of different materials.
6. rotor (100) according to claim 1 or 2, which is characterized in that the holding board (14) be designed as annular and
And it is arranged around the armature spindle (10).
7. rotor (100) according to claim 1 or 2, which is characterized in that the sensing wheel (11) is by the holding board
(14) protrusion (15) of the radially projecting armature spindle (10) surrounded is pressed to.
8. rotor (100) according to claim 7, which is characterized in that the holding board (14) has first to surround section
(16) and with described first around section (16) second circular section (17) that (18) are arranged at an angle, wherein the angle
(18) it is greater than 90 degree in the state that the holding board (14) does not pre-tighten, wherein the holding board (14) is first circular by it
Section (16) at least local support on the outer peripheral surface (19) of the armature spindle (10), and the holding board (14) by its second
The sensing wheel (11) are pressed to around section (17).
9. rotor (100) described in accordance with the claim 1, which is characterized in that the holding board (14) have entirely around and nothing
The retainer (20) interruptedly arranged, locking or the fixing for the holding board (14) and the armature spindle (10)
Plate (14) has retainer (20) that is multiple circumferentially distributed and being spaced apart from each other arrangement, for the holding board (14) and described turn
The locking of sub- axis (10).
10. rotor (100) according to claim 9, which is characterized in that be disposed at least one on the armature spindle (10)
A receiving member (21) corresponding with one or more retainers (20), for accommodating one or more retainers (20).
11. according to rotor described in claim 9 or 10 (100), which is characterized in that at least one retainer (20) is designed as
Punching mouth, recess or recess in the holding board (14), wherein at least one receiving member (21) is designed as radially projecting described
The protrusion of armature spindle (10).
12. according to rotor described in claim 9 or 10 (100), which is characterized in that at least one retainer (20) is designed as institute
State the flexible plate portion section of holding board (14), wherein at least one receiving member (21) is designed as being arranged in the rotor
Recess in axis (10).
13. a kind of electric appliance (200), the rotor (100) that can be moved with stator, relative to stator and for determining the rotor
(100) the rotor-position system relative to the position of the stator, which is characterized in that the rotor (100) is according to aforementioned right
It is required that one of 1 to 12 design.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015216454.3 | 2015-08-27 | ||
| DE102015216454.3A DE102015216454A1 (en) | 2015-08-27 | 2015-08-27 | Rotor with a by means of a latched with the rotor shaft and biased retaining plate donor wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106487163A CN106487163A (en) | 2017-03-08 |
| CN106487163B true CN106487163B (en) | 2019-10-15 |
Family
ID=58010976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610670010.5A Active CN106487163B (en) | 2015-08-27 | 2016-08-15 | With the rotor of the sensing wheel of fixation by holding board |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106487163B (en) |
| DE (1) | DE102015216454A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6882112B2 (en) * | 2017-08-04 | 2021-06-02 | マブチモーター株式会社 | Sensor magnets and motors |
| DE102019103007A1 (en) * | 2019-02-07 | 2020-08-13 | Schaeffler Technologies AG & Co. KG | Electric machine with a multifunctional disc element for a rotor |
| DE102020203273A1 (en) * | 2020-03-13 | 2021-09-16 | Robert Bosch Gesellschaft mit beschränkter Haftung | Electrically controllable unit |
| DE102020111215A1 (en) * | 2020-04-24 | 2021-10-28 | Schaeffler Technologies AG & Co. KG | Rotor assembly with rotational securing of at least one disk element; as well as electric machine |
| DE102020212192A1 (en) * | 2020-09-28 | 2022-03-31 | Robert Bosch Gesellschaft mit beschränkter Haftung | Electronically commutated machine and electronically controlled slip brake system with an electronically commutated machine |
| DE102021201358A1 (en) | 2021-02-12 | 2022-08-18 | Vitesco Technologies Germany Gmbh | Integrated final drive and motor vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006121828A (en) * | 2004-10-21 | 2006-05-11 | Fuji Heavy Ind Ltd | Permanent-magnet motor tester |
| CN1969443A (en) * | 2004-06-18 | 2007-05-23 | 罗伯特·博世有限公司 | Electric machine and method for adjusting an axial distance therein |
| CN202661473U (en) * | 2012-06-08 | 2013-01-09 | 宁波诺士敦机电有限公司 | Magnetic sensitive sensing wheel |
| CN203151318U (en) * | 2013-03-07 | 2013-08-21 | 苏州朗高电机有限公司 | Feedback element disposed on motor rotation shaft |
| CN103872852A (en) * | 2012-12-14 | 2014-06-18 | Lg伊诺特有限公司 | Motor and sensing magnet of the same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0601228B1 (en) | 1992-12-08 | 1994-10-19 | Siemens Aktiengesellschaft | Electric motor drive |
| DE9315586U1 (en) | 1993-07-30 | 1993-12-09 | Siemens Ag | Electric motor drive |
| DE19905274A1 (en) * | 1999-02-09 | 2000-08-10 | Bosch Gmbh Robert | Rotation sensor |
| DE19945657C1 (en) * | 1999-09-23 | 2001-03-15 | Siemens Ag | Commutator motor with a speed and / or direction of rotation sensor device |
| DE20008590U1 (en) * | 2000-05-15 | 2000-10-05 | Stegmann Max Antriebstech | Stator coupling |
| DE102004015041A1 (en) | 2004-03-26 | 2005-10-13 | Robert Bosch Gmbh | Electric machine |
-
2015
- 2015-08-27 DE DE102015216454.3A patent/DE102015216454A1/en active Pending
-
2016
- 2016-08-15 CN CN201610670010.5A patent/CN106487163B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1969443A (en) * | 2004-06-18 | 2007-05-23 | 罗伯特·博世有限公司 | Electric machine and method for adjusting an axial distance therein |
| JP2006121828A (en) * | 2004-10-21 | 2006-05-11 | Fuji Heavy Ind Ltd | Permanent-magnet motor tester |
| CN202661473U (en) * | 2012-06-08 | 2013-01-09 | 宁波诺士敦机电有限公司 | Magnetic sensitive sensing wheel |
| CN103872852A (en) * | 2012-12-14 | 2014-06-18 | Lg伊诺特有限公司 | Motor and sensing magnet of the same |
| CN203151318U (en) * | 2013-03-07 | 2013-08-21 | 苏州朗高电机有限公司 | Feedback element disposed on motor rotation shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106487163A (en) | 2017-03-08 |
| DE102015216454A1 (en) | 2017-03-02 |
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